1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM vmscan 3 4 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_VMSCAN_H 6 7 #include <linux/types.h> 8 #include <linux/tracepoint.h> 9 #include <linux/mm.h> 10 #include <linux/memcontrol.h> 11 #include <trace/events/mmflags.h> 12 13 #define RECLAIM_WB_ANON 0x0001u 14 #define RECLAIM_WB_FILE 0x0002u 15 #define RECLAIM_WB_MIXED 0x0010u 16 #define RECLAIM_WB_SYNC 0x0004u /* Unused, all reclaim async */ 17 #define RECLAIM_WB_ASYNC 0x0008u 18 19 #define show_reclaim_flags(flags) \ 20 (flags) ? __print_flags(flags, "|", \ 21 {RECLAIM_WB_ANON, "RECLAIM_WB_ANON"}, \ 22 {RECLAIM_WB_FILE, "RECLAIM_WB_FILE"}, \ 23 {RECLAIM_WB_MIXED, "RECLAIM_WB_MIXED"}, \ 24 {RECLAIM_WB_SYNC, "RECLAIM_WB_SYNC"}, \ 25 {RECLAIM_WB_ASYNC, "RECLAIM_WB_ASYNC"} \ 26 ) : "RECLAIM_WB_NONE" 27 28 #define trace_reclaim_flags(page) ( \ 29 (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 30 (RECLAIM_WB_ASYNC) \ 31 ) 32 33 #define trace_shrink_flags(file) \ 34 ( \ 35 (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \ 36 (RECLAIM_WB_ASYNC) \ 37 ) 38 39 TRACE_EVENT(mm_vmscan_kswapd_sleep, 40 41 TP_PROTO(int nid), 42 43 TP_ARGS(nid), 44 45 TP_STRUCT__entry( 46 __field( int, nid ) 47 ), 48 49 TP_fast_assign( 50 __entry->nid = nid; 51 ), 52 53 TP_printk("nid=%d", __entry->nid) 54 ); 55 56 TRACE_EVENT(mm_vmscan_kswapd_wake, 57 58 TP_PROTO(int nid, int order), 59 60 TP_ARGS(nid, order), 61 62 TP_STRUCT__entry( 63 __field( int, nid ) 64 __field( int, order ) 65 ), 66 67 TP_fast_assign( 68 __entry->nid = nid; 69 __entry->order = order; 70 ), 71 72 TP_printk("nid=%d order=%d", __entry->nid, __entry->order) 73 ); 74 75 TRACE_EVENT(mm_vmscan_wakeup_kswapd, 76 77 TP_PROTO(int nid, int zid, int order), 78 79 TP_ARGS(nid, zid, order), 80 81 TP_STRUCT__entry( 82 __field( int, nid ) 83 __field( int, zid ) 84 __field( int, order ) 85 ), 86 87 TP_fast_assign( 88 __entry->nid = nid; 89 __entry->zid = zid; 90 __entry->order = order; 91 ), 92 93 TP_printk("nid=%d zid=%d order=%d", 94 __entry->nid, 95 __entry->zid, 96 __entry->order) 97 ); 98 99 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template, 100 101 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 102 103 TP_ARGS(order, may_writepage, gfp_flags), 104 105 TP_STRUCT__entry( 106 __field( int, order ) 107 __field( int, may_writepage ) 108 __field( gfp_t, gfp_flags ) 109 ), 110 111 TP_fast_assign( 112 __entry->order = order; 113 __entry->may_writepage = may_writepage; 114 __entry->gfp_flags = gfp_flags; 115 ), 116 117 TP_printk("order=%d may_writepage=%d gfp_flags=%s", 118 __entry->order, 119 __entry->may_writepage, 120 show_gfp_flags(__entry->gfp_flags)) 121 ); 122 123 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin, 124 125 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 126 127 TP_ARGS(order, may_writepage, gfp_flags) 128 ); 129 130 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin, 131 132 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 133 134 TP_ARGS(order, may_writepage, gfp_flags) 135 ); 136 137 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin, 138 139 TP_PROTO(int order, int may_writepage, gfp_t gfp_flags), 140 141 TP_ARGS(order, may_writepage, gfp_flags) 142 ); 143 144 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template, 145 146 TP_PROTO(unsigned long nr_reclaimed), 147 148 TP_ARGS(nr_reclaimed), 149 150 TP_STRUCT__entry( 151 __field( unsigned long, nr_reclaimed ) 152 ), 153 154 TP_fast_assign( 155 __entry->nr_reclaimed = nr_reclaimed; 156 ), 157 158 TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed) 159 ); 160 161 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end, 162 163 TP_PROTO(unsigned long nr_reclaimed), 164 165 TP_ARGS(nr_reclaimed) 166 ); 167 168 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end, 169 170 TP_PROTO(unsigned long nr_reclaimed), 171 172 TP_ARGS(nr_reclaimed) 173 ); 174 175 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end, 176 177 TP_PROTO(unsigned long nr_reclaimed), 178 179 TP_ARGS(nr_reclaimed) 180 ); 181 182 TRACE_EVENT(mm_shrink_slab_start, 183 TP_PROTO(struct shrinker *shr, struct shrink_control *sc, 184 long nr_objects_to_shrink, unsigned long pgs_scanned, 185 unsigned long lru_pgs, unsigned long cache_items, 186 unsigned long long delta, unsigned long total_scan), 187 188 TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs, 189 cache_items, delta, total_scan), 190 191 TP_STRUCT__entry( 192 __field(struct shrinker *, shr) 193 __field(void *, shrink) 194 __field(int, nid) 195 __field(long, nr_objects_to_shrink) 196 __field(gfp_t, gfp_flags) 197 __field(unsigned long, pgs_scanned) 198 __field(unsigned long, lru_pgs) 199 __field(unsigned long, cache_items) 200 __field(unsigned long long, delta) 201 __field(unsigned long, total_scan) 202 ), 203 204 TP_fast_assign( 205 __entry->shr = shr; 206 __entry->shrink = shr->scan_objects; 207 __entry->nid = sc->nid; 208 __entry->nr_objects_to_shrink = nr_objects_to_shrink; 209 __entry->gfp_flags = sc->gfp_mask; 210 __entry->pgs_scanned = pgs_scanned; 211 __entry->lru_pgs = lru_pgs; 212 __entry->cache_items = cache_items; 213 __entry->delta = delta; 214 __entry->total_scan = total_scan; 215 ), 216 217 TP_printk("%pF %p: nid: %d objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld", 218 __entry->shrink, 219 __entry->shr, 220 __entry->nid, 221 __entry->nr_objects_to_shrink, 222 show_gfp_flags(__entry->gfp_flags), 223 __entry->pgs_scanned, 224 __entry->lru_pgs, 225 __entry->cache_items, 226 __entry->delta, 227 __entry->total_scan) 228 ); 229 230 TRACE_EVENT(mm_shrink_slab_end, 231 TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval, 232 long unused_scan_cnt, long new_scan_cnt, long total_scan), 233 234 TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt, 235 total_scan), 236 237 TP_STRUCT__entry( 238 __field(struct shrinker *, shr) 239 __field(int, nid) 240 __field(void *, shrink) 241 __field(long, unused_scan) 242 __field(long, new_scan) 243 __field(int, retval) 244 __field(long, total_scan) 245 ), 246 247 TP_fast_assign( 248 __entry->shr = shr; 249 __entry->nid = nid; 250 __entry->shrink = shr->scan_objects; 251 __entry->unused_scan = unused_scan_cnt; 252 __entry->new_scan = new_scan_cnt; 253 __entry->retval = shrinker_retval; 254 __entry->total_scan = total_scan; 255 ), 256 257 TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d", 258 __entry->shrink, 259 __entry->shr, 260 __entry->nid, 261 __entry->unused_scan, 262 __entry->new_scan, 263 __entry->total_scan, 264 __entry->retval) 265 ); 266 267 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template, 268 269 TP_PROTO(int order, 270 unsigned long nr_requested, 271 unsigned long nr_scanned, 272 unsigned long nr_taken, 273 isolate_mode_t isolate_mode, 274 int file), 275 276 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file), 277 278 TP_STRUCT__entry( 279 __field(int, order) 280 __field(unsigned long, nr_requested) 281 __field(unsigned long, nr_scanned) 282 __field(unsigned long, nr_taken) 283 __field(isolate_mode_t, isolate_mode) 284 __field(int, file) 285 ), 286 287 TP_fast_assign( 288 __entry->order = order; 289 __entry->nr_requested = nr_requested; 290 __entry->nr_scanned = nr_scanned; 291 __entry->nr_taken = nr_taken; 292 __entry->isolate_mode = isolate_mode; 293 __entry->file = file; 294 ), 295 296 TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d", 297 __entry->isolate_mode, 298 __entry->order, 299 __entry->nr_requested, 300 __entry->nr_scanned, 301 __entry->nr_taken, 302 __entry->file) 303 ); 304 305 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate, 306 307 TP_PROTO(int order, 308 unsigned long nr_requested, 309 unsigned long nr_scanned, 310 unsigned long nr_taken, 311 isolate_mode_t isolate_mode, 312 int file), 313 314 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file) 315 316 ); 317 318 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate, 319 320 TP_PROTO(int order, 321 unsigned long nr_requested, 322 unsigned long nr_scanned, 323 unsigned long nr_taken, 324 isolate_mode_t isolate_mode, 325 int file), 326 327 TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file) 328 329 ); 330 331 TRACE_EVENT(mm_vmscan_writepage, 332 333 TP_PROTO(struct page *page), 334 335 TP_ARGS(page), 336 337 TP_STRUCT__entry( 338 __field(unsigned long, pfn) 339 __field(int, reclaim_flags) 340 ), 341 342 TP_fast_assign( 343 __entry->pfn = page_to_pfn(page); 344 __entry->reclaim_flags = trace_reclaim_flags(page); 345 ), 346 347 TP_printk("page=%p pfn=%lu flags=%s", 348 pfn_to_page(__entry->pfn), 349 __entry->pfn, 350 show_reclaim_flags(__entry->reclaim_flags)) 351 ); 352 353 TRACE_EVENT(mm_vmscan_lru_shrink_inactive, 354 355 TP_PROTO(struct zone *zone, 356 unsigned long nr_scanned, unsigned long nr_reclaimed, 357 int priority, int file), 358 359 TP_ARGS(zone, nr_scanned, nr_reclaimed, priority, file), 360 361 TP_STRUCT__entry( 362 __field(int, nid) 363 __field(int, zid) 364 __field(unsigned long, nr_scanned) 365 __field(unsigned long, nr_reclaimed) 366 __field(int, priority) 367 __field(int, reclaim_flags) 368 ), 369 370 TP_fast_assign( 371 __entry->nid = zone_to_nid(zone); 372 __entry->zid = zone_idx(zone); 373 __entry->nr_scanned = nr_scanned; 374 __entry->nr_reclaimed = nr_reclaimed; 375 __entry->priority = priority; 376 __entry->reclaim_flags = trace_shrink_flags(file); 377 ), 378 379 TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s", 380 __entry->nid, __entry->zid, 381 __entry->nr_scanned, __entry->nr_reclaimed, 382 __entry->priority, 383 show_reclaim_flags(__entry->reclaim_flags)) 384 ); 385 386 #endif /* _TRACE_VMSCAN_H */ 387 388 /* This part must be outside protection */ 389 #include <trace/define_trace.h> 390